Finding the Fourth Proportional to 255,922,274.58, 383,894,336.84 and 100,509,763.80
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Solution
The fourth proportional to 255,922,274.58, 383,894,336.84 and 100,509,763.80 is: 150,768,936.32
Step by Step Solution
- Step 1: Write the proportion equation
255,922,274.58 : 383,894,336.84 = 100,509,763.80 : x - Step 2: Convert to fraction form
255,922,274.58/383,894,336.84 = 100,509,763.80/x - Step 3: Cross multiply
255,922,274.58x = 383,894,336.84 × 100,509,763.80 - Step 4: Simplify right side
255,922,274.58x = 38,585,129,119,946,032 - Step 5: Solve for x
x = 38,585,129,119,946,032/255,922,274.58 - Step 6: Final answer
x = 150,768,936.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.